Bug#937436: pyfai: Python2 removal in sid/bullseye

[PICCA Frederic-Emmanuel]

> Hi,

> The latest pyFAI uses python3 for the application instead of python2,
> at least on the master. I did not check if it was the case for the release.
> In the worse case, one would just have to wait for the next release
> which is planed later this year. Anyhow, I recently fixed a bug related
> to the documentation which was generated using the python2 build
> systsem.

Hello,

I have just one concern about this change, is that I need to produce backports for buster with the Python2 packages.
So Sandro do you know if this is possible to upload into backports packages with python2 binaries even if they where removed
in buster+1.

Cheers

Frederic